Uh oh! Wolfram|Alpha doesn't run without JavaScript.
Please enable JavaScript. If you don't know how, you can find instructions
here
.
Once you've done that, refresh this page to start using Wolfram|Alpha.
polygon ((3,10), (7,10) , (7,2) , (3,2))
polygon ((3,10), (7,10) , (7,2) , (3,2))
Natural Language
Math Input
Extended Keyboard
